implment cmove_int32

fs3l · Nov 17, 2017 · f5bcbba · f5bcbba
1 parent e1f09e8
commit f5bcbba
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/Enclave/utility.cpp b/Enclave/utility.cpp
@@ -22,3 +22,14 @@ void print_arr(const int32_t* arr, int32_t len)
   for (int32_t i = 0; i < len; ++i) EPrintf("%d ", arr[i]);
   EPrintf("\n");
 }
+
+
+void cmove_int32(bool cond, int32_t* src, int32_t* dest) {
+  __asm__ (
+      "mov %%rdi, %%rax\n\t"
+      "mov (%%rsi),%%rbx\n\t"
+      "cmove %%rbx,%%rcx\n\t"
+      "mov %%rcx,(%%rdx)\n\t"
+      :::
+  );
+}